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Gaze direction feature collection method and device, computer equipment and storage medium

A gaze direction and collection method technology, which is applied in the field of computer equipment and storage media, devices, and gaze direction feature collection methods, can solve the problem of low gaze direction acquisition accuracy and achieve high accuracy.

Pending Publication Date: 2021-10-26
BLACK SESAME TECH CO LTD
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Problems solved by technology

[0004] Therefore, in the development and design process of the driver monitoring system, there is a demand for collecting the gaze direction characteristics of the human eye, and the existing methods for collecting the gaze direction of the human eye have the defect that the accuracy of gaze direction collection is not high.

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  • Gaze direction feature collection method and device, computer equipment and storage medium
  • Gaze direction feature collection method and device, computer equipment and storage medium
  • Gaze direction feature collection method and device, computer equipment and storage medium

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[0039]In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0040] In the R&D and design phase of the driver monitoring system, developers need to collect the gaze direction characteristics of human eyes. Such as figure 1 As shown, mathematically, the gaze direction feature of the human eye can be expressed by the vector to represent, where, v x ,v y ,v z represent vectors respectively Components on the x, y, z axes of a given three-dimensional coordinate system, vector From the point P where the pupil of the human eye is located 0 , and the target point P that the human eye is looking at 1 jointly determined.

[0041] H...

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Abstract

The invention relates to a gaze direction feature collection method and device, computer equipment and a storage medium. The method comprises the following steps: using a motion capture camera to detect a first three-dimensional coordinate of an eye marker fixed at a predetermined part of an eye in a motion capture camera coordinate system and a second three-dimensional coordinate of a target marker watched by the eye in the motion capture camera coordinate system; according to the first three-dimensional coordinate, determining a third three-dimensional coordinate of the eye in the motion capture camera coordinate system; according to a coordinate system conversion relation between a pre-calibrated imaging camera coordinate system and the motion capture camera coordinate system, converting the third three-dimensional coordinate into a fourth three-dimensional coordinate under the imaging camera coordinate system, and converting the second three-dimensional coordinate into a fifth three-dimensional coordinate under the imaging camera coordinate system; and according to the fourth three-dimensional coordinate and the fifth three-dimensional coordinate, determining a gazing direction feature of pointing to the target marker from the eye. By adopting the method, the accuracy of collecting the gazing direction can be improved.

Description

technical field [0001] The present application relates to the technical field of biological feature collection, in particular to a gaze direction feature collection method, device, computer equipment and storage medium. Background technique [0002] Advanced Driving Assistance System (Advanced Driving Assistance System) uses various sensors installed on the car to collect data inside and outside the car during driving, and performs systematic calculation and analysis based on the collected data to provide the driver with all the necessary information. The necessary information to assist driving, effectively increasing the comfort and safety of car driving. [0003] In the L2-L3 advanced driver assistance system, the driver monitoring system (Driver Monitoring System, DMS) can monitor the driver's behavior, when it detects that the driver is doing dangerous behavior, such as the direction of the driver's eyes is not in the When the vehicle is moving in the direction, the sys...

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Application Information

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IPC IPC(8): G06K9/00G06K9/20G06K9/46G06T7/73G06T7/80
CPCG06T7/85G06T7/73G06T2207/10012
Inventor 李洋洋张艳晖李慧艳
Owner BLACK SESAME TECH CO LTD
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